
Description: Mutt is a free, open source email client for Linux, Unix, and macOS systems that emphasizes speed, flexibility, and security. It supports features like keyboard shortcuts, threading, PGP encryption, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: aerc is a terminal email client aimed at being fast, efficient, and easy to use. It has a clean and intuitive interface, supports multiple accounts, servers, and identities, handles encryption well, and has good performance with large mailboxes.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API